TY - BOOK AU - Rycroft, Michael J., ed. Stickland, A. C., ed. ED - Proceedings of Open Meetings of Working Groups on Physical Sciences of the Nineteenth Plenary Meeting of COSPAR and COSPAR/IAGA Symposium on Minor Constituents and Excited Species TI - COSPAR Space Research : v. XVII : proceedings of open meetings of working groups on physical sciences of the nineteenth plenary meeting of COSPAR, Philadelphia, Pennsylvania, USA, 8-19 June 1976 and COSPAR/IAGA symposium on minor constituents and excited species, Philadelphia, Pennsylvania, USA, 9-10 June 1976 T2 - COSPAR: Space Research Series SN - 978-0080216362 PY - 1977/// CY - Oxford PB - Pergamon Press KW - Space Sciences ER -